Fundamentals of Aerodynamics
6th Edition
ISBN: 9781259129919
Author: John D. Anderson Jr.
Publisher: McGraw-Hill Education
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Chapter 3, Problem 3.7P
At a given point on the surface of the wing of the airplane in Problem 3.6, the flow velocity is 130 m/s. Calculate the pressure coefficient at this point.
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Chapter 3 Solutions
Fundamentals of Aerodynamics
Ch. 3 - For an irrotational flow. show that Bernoullis...Ch. 3 - Consider a venturi with a throat-to-inlet area...Ch. 3 - Consider a venturi with a small hole drilled in...Ch. 3 - Consider a low-speed open-circuit subsonic wind...Ch. 3 - Assume that a Pitot tube is inserted into the...Ch. 3 - A Pilot tube on an airplane flying at standard sea...Ch. 3 - At a given point on the surface of the wing of the...Ch. 3 - Consider a uniform flow with velocity V. Show that...Ch. 3 - Show that a source flow is a physically possible...Ch. 3 - Prove that the velocity potential and the stream...
Ch. 3 - Prove that the velocity potential and the stream...Ch. 3 - Consider the flow over a semi-infinite body as...Ch. 3 - Derive Equation (3.81). Hint: Make use of the...Ch. 3 - Derive the velocity potential for a doublet; that...Ch. 3 - Consider the nonlifting flow over a circular...Ch. 3 - Consider the nonlifting flow over a circular...Ch. 3 - Consider the lifting flow over a circular cylinder...Ch. 3 - The lift on a spinning circular cylinder in a...Ch. 3 - A typical World War I biplane fighter (such as the...Ch. 3 - The Kutta-Joukowski theorem, Equation (3.140), was...Ch. 3 - Consider the streamlines over a circular cylinder...Ch. 3 - Consider the flow field over a circular cylinder...Ch. 3 - Prove that the flow field specified in Example 2.1...
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- Consider an airplane flying with a velocity of 60 m/s at a standard altitude of 3km. At a point on the wing, the airflow velocity is 70 m/s. Calculate the pressure at this point. Assume incompressible flow. detailed solution pls. Thank youarrow_forward4. A crude oil of viscosity 0.9 poise and sp. gr. 0.8 is flowing through a horizontal circular pipe of diameter 80 mm and of length 15 m. Calculate the difference of pressure at the two ends of the pipe, if 50 kg of the oil is collected in a tank in 15 seconds.arrow_forwardProblem 1 Water is flowing in a fire hose with a velocity of 1.0 m/s and a pressure of 200000 Pa. At the nozzle the pressure decreases to atmospheric pressure (101300 Pa), there is no change in height. Use the Bernoulli equation to calculate the velocity of the water exiting the nozzle. (Hint: The density of water is 1000 kg/m and gravity g is 9.8 m/s“. Pay attention to units!)]arrow_forward
- 4. A pipe carries oil of density 800 kg/m³. At a given point (1) the pipe has a bore area of 0.005 m² and the oil flows with a mean velocity of 4 m/s with a gauge pressure of 800 kPa. Point (2) is further along the pipe and there the bore area is 0.002 m² and the level is 50 m above point (1). Calculate the pressure at this point (2). Neglect friction. (374 kPa)arrow_forwardA horizontal pipe of (40cm) dia, expanded suddenly to (60cm) dia. with a flow rate of water equals 0.8 m / sec. Calculate the force exerts by the water on the sudden expansion of the pipe, if the pressure at the small portion equals (70Kpa).arrow_forward5. A linear velocity profile is formed in a fluid between two plates as shown in the figure when one of the plates is moved parallel to the other and there is no externally imposed pressure gradient (i.e. there is no pump). If the top plate is travels at U = 0.3 m/s and the bottom plate is held fixed and the two plates are separated by a distance d = 0.3 m/s, derive an equation for the velocity profile u(y). Assume that the fluid in contact with either plate moves at the same speed as the plate (this is called the no-slip condition). U=0.3 m/s d=0.3 marrow_forward
- Water is pumped at a rate of 21.4 m/s from tank (A) and out through a 300.5 m pipe to tank (B). The surface roughness of the pipe is 0.046 mm. When the water levels are as shown in the given figure, the head provided by the pump is 70 m, Calculate the pipe diameter (mm) if the water temperature is 10°C (do not assume the water mass density and the ViScosity), Usef 0.02 for the first iteration and try only one more iterations (two in total) by using Swamee and Jain formula. Elevation 135 Elevation 140 m Tank (B) Tievation 100m Tank LA) Jund: Elevitions in Write the answer for any numbers after the declmalarrow_forwardwhat will be the pressure gradient (kpa/m) at L=D30 cm through the nozzle? At L=0, the liquid flows inside the nozzle has a specific gravity S=1.2, at L=0, the velocity is 2 m/s while at L=D70 cm, the velocity is 6 m/s. Assume steady and inviscid flow. The velocity varies linearly with distance through the .nozzle Larrow_forward4. The velocity profile of a viscous liquid flowing over a fixed plate is given by v=0.68y-y² (v is the velocity in m/s and y is the distance from the plate in m). i. Calculate the shear stresses at the plate surface and 0.34 m away from the plate (u=0.9 Ns/m3). ii. Draw the velocity and the shear stress profile of the system. direction of flow platearrow_forward
- What should be the diameter and speed in section 2; as well as the flowtransported in the system for a liquid with specific gravity 0.75, which generates thepressures shown in the image, if the speed in section 1 is 5.4 m/sarrow_forwardOil (SG=0.91) enters the thrust bearing at 250 N/hr and exits radially through the narrow clearance between thrust plates. Compute (a) the outlet volume flow in mL/s, and (b) the average outlet velocity in cm/sarrow_forwardOil is flowing at the rate of 3.14 cfs in a pipe of varying cross section. At section A, the diameter is 6 in and the pressure is 12 psig. At another section B, the diameter is 16 in. Assume the heat loss between sections A and B to be 6ft of oil. Specific gravity of oil maybe taken as 0.85. Calculate the pressure B. How much is the velocity head? How much is the elevation head?arrow_forward
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